Finding the Fourth Proportional to 351,407.55, 484,744.44 and 222,305.97
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Solution
The fourth proportional to 351,407.55, 484,744.44 and 222,305.97 is: 306,656.99
Step by Step Solution
- Step 1: Write the proportion equation
351,407.55 : 484,744.44 = 222,305.97 : x - Step 2: Convert to fraction form
351,407.55/484,744.44 = 222,305.97/x - Step 3: Cross multiply
351,407.55x = 484,744.44 × 222,305.97 - Step 4: Simplify right side
351,407.55x = 107,761,582,936.31 - Step 5: Solve for x
x = 107,761,582,936.31/351,407.55 - Step 6: Final answer
x = 306,656.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.